Patentable/Patents/US-11974961
US-11974961

Out of phase chest compression and ventilation

PublishedMay 7, 2024
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

An example of a system for providing emergency care to a patient includes an automated chest compression device configured to engage the patient at the patient's sternum to provide multiple chest compression cycles to the patient's sternum, an automated mechanical ventilation device to induce negative pressure ventilation, and a controller operably coupled to the automated chest compression device and the automated mechanical ventilation device and including one or more processors configured to control the automated chest compression device to cyclically perform chest compressions, and control the automated mechanical ventilation device to cyclically induce the negative pressure ventilation out-of-phase with the chest compressions such that the automated mechanical ventilation device cyclically induces the negative pressure ventilation prior to each compression of the patient's sternum.

Patent Claims
24 claims

Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.

Claim 2

Original Legal Text

2. The system of claim 1, wherein the one or more processors are configured to control the automated mechanical ventilation device to cyclically induce the negative pressure ventilation 90 degrees out of phase with the chest compressions.

Plain English Translation

This invention relates to automated mechanical ventilation systems for cardiopulmonary resuscitation (CPR). The system addresses the challenge of optimizing ventilation during CPR by coordinating negative pressure ventilation with chest compressions to improve oxygen delivery and circulation. The system includes one or more processors that control an automated mechanical ventilation device to apply negative pressure ventilation in a cyclical manner. Specifically, the ventilation is synchronized 90 degrees out of phase with the chest compressions. This phase offset ensures that the negative pressure ventilation does not interfere with the mechanical action of chest compressions, thereby enhancing the efficiency of both processes. The system may also include sensors to monitor physiological parameters, such as blood oxygen levels or chest compression depth, to dynamically adjust the ventilation timing and pressure for optimal performance. By maintaining this precise phase relationship, the system improves respiratory and circulatory support during CPR, potentially increasing the likelihood of successful resuscitation. The invention is particularly useful in emergency medical settings where precise coordination between ventilation and chest compressions is critical for patient survival.

Claim 3

Original Legal Text

3. The system of claim 1, wherein the one or more processors are configured to control the automated mechanical ventilation device to cyclically induce the negative pressure ventilation 270 degrees out of phase with the chest compressions.

Plain English Translation

This invention relates to automated mechanical ventilation systems for use during cardiopulmonary resuscitation (CPR). The system addresses the challenge of coordinating ventilation with chest compressions to improve resuscitation outcomes. During CPR, chest compressions and ventilation must be carefully synchronized to avoid interference, yet traditional methods often fail to optimize this coordination. The system includes one or more processors configured to control an automated mechanical ventilation device. The processors are specifically programmed to induce negative pressure ventilation (NPV) in a cyclical pattern that is 270 degrees out of phase with the chest compressions. This phase relationship ensures that the ventilation cycle does not overlap with the compression cycle, preventing interference and improving oxygen delivery. The system may also include sensors to monitor the timing and force of chest compressions, allowing the processors to dynamically adjust the ventilation timing to maintain the 270-degree phase difference. By maintaining this precise coordination, the system enhances respiratory support during CPR, potentially increasing the likelihood of successful resuscitation. The invention may be integrated into existing CPR devices or used as a standalone system to improve ventilation control during emergency resuscitation efforts.

Claim 5

Original Legal Text

5. The system of claim 1, wherein the one or more processors are further configured to control the automated chest compression device to cyclically perform the chest compressions and control the automated mechanical ventilation device to cyclically induce the negative pressure ventilation at approximately equal average rates.

Plain English Translation

This invention relates to a medical system for providing synchronized automated chest compressions and negative pressure ventilation to a patient, particularly during cardiopulmonary resuscitation (CPR). The system addresses the challenge of coordinating mechanical chest compressions with ventilation to improve resuscitation outcomes by ensuring proper timing and synchronization between these interventions. The system includes an automated chest compression device that mechanically compresses the patient's chest at a controlled rate and depth, and an automated mechanical ventilation device that applies negative pressure to the patient's chest to induce ventilation. The system synchronizes these two devices so that the chest compressions and negative pressure ventilation occur at approximately equal average rates, ensuring that the patient receives consistent and coordinated resuscitation efforts. This synchronization helps maintain proper blood circulation and oxygenation during CPR, potentially improving survival rates and neurological outcomes. The system may also include sensors to monitor the patient's physiological parameters, such as chest compression depth, ventilation pressure, and respiratory rate, to ensure the devices operate within safe and effective ranges. The processors controlling the devices adjust the compression and ventilation rates dynamically to maintain synchronization and optimize resuscitation efforts. This approach enhances the effectiveness of automated CPR by integrating mechanical chest compressions with negative pressure ventilation in a coordinated manner.

Claim 6

Original Legal Text

6. The system of claim 1, wherein the system further comprises at least one of a speaker or a display and further wherein the one or more processors are further configured to provide resuscitation information to a rescuer via one or more of the speaker and the display.

Plain English Translation

This invention relates to a system for providing resuscitation information to a rescuer during emergency medical situations. The system includes sensors for detecting physiological parameters of a patient, such as heart rate, blood oxygen levels, or respiratory activity, and one or more processors that analyze this data to assess the patient's condition. The processors determine whether resuscitation efforts, such as CPR or defibrillation, are needed and generate instructions or feedback for the rescuer. The system further includes at least one of a speaker or a display to deliver this information. The speaker can provide audible instructions, such as CPR timing or compression depth, while the display can show visual guidance, such as diagrams or real-time feedback on the quality of resuscitation efforts. The system may also include additional components, such as a defibrillator or a compression sensor, to enhance its functionality. By providing real-time, actionable feedback, the system aims to improve the effectiveness of resuscitation efforts and increase the chances of patient survival.

Claim 7

Original Legal Text

7. The system of claim 1, wherein the automated mechanical ventilation device is configured to provide ventilation through a patient's mouth.

Plain English Translation

This invention relates to automated mechanical ventilation systems designed to deliver respiratory support through a patient's mouth. The system addresses the need for effective ventilation in patients who cannot breathe independently, particularly when traditional methods like nasal or endotracheal intubation are impractical or ineffective. The automated mechanical ventilation device is specifically configured to provide ventilation through the patient's mouth, ensuring proper airflow delivery while minimizing discomfort and complications associated with invasive procedures. The system may include sensors to monitor respiratory parameters such as airflow, pressure, and oxygen levels, allowing for real-time adjustments to ventilation settings. Additionally, the device may incorporate safety mechanisms to prevent over-ventilation or airway obstruction. The system may also feature a user interface for healthcare providers to input patient-specific parameters and monitor ventilation status. By delivering ventilation through the mouth, the system offers a less invasive alternative to endotracheal intubation while maintaining therapeutic efficacy. The invention is particularly useful in emergency medical settings, intensive care units, and during surgical procedures where rapid and reliable ventilation is critical. The device may be portable or integrated into larger medical systems, depending on the application.

Claim 8

Original Legal Text

8. The system of claim 7, wherein the automated mechanical ventilation device comprises one or more mechanical devices comprising one or more electric motors and/or pneumatic pumps configured to provide the ventilation in response to signals from the one or more processors.

Plain English Translation

This invention relates to automated mechanical ventilation systems designed to assist or replace natural breathing in medical or industrial applications. The system addresses the need for precise, responsive ventilation control to ensure adequate oxygen delivery and carbon dioxide removal, particularly in scenarios where manual ventilation is impractical or insufficient. The system includes one or more mechanical devices, such as electric motors or pneumatic pumps, that generate ventilation based on signals from one or more processors. These processors analyze physiological or environmental data to determine ventilation parameters, such as airflow rate, pressure, and timing. The mechanical devices then adjust ventilation accordingly, ensuring optimal respiratory support. The system may also incorporate feedback mechanisms to monitor patient or user response, allowing real-time adjustments to maintain safety and efficacy. The invention improves upon prior art by integrating automated control with mechanical ventilation, reducing reliance on manual operation and enhancing precision. This is particularly useful in medical settings, such as intensive care units, or industrial environments where controlled ventilation is required. The use of electric motors or pneumatic pumps provides flexibility in power sources and operational efficiency. The system may also include safety features to prevent over-ventilation or equipment failure, ensuring reliable performance.

Claim 9

Original Legal Text

9. The system of claim 1, wherein the automated chest compression device comprises a belt configured to engage the patient at the patient's sternum to cyclically perform the chest compressions.

Plain English Translation

This invention relates to automated chest compression devices used in cardiopulmonary resuscitation (CPR). The problem addressed is the need for effective, consistent chest compressions during CPR to maintain blood circulation in cardiac arrest patients. Traditional manual CPR can be inconsistent due to human fatigue or technique variations, reducing its effectiveness. The system includes an automated chest compression device designed to provide reliable, cyclical compressions. A key feature is a belt that engages the patient's sternum to deliver the compressions. The belt is specifically configured to ensure proper compression depth and force, mimicking optimal manual CPR techniques. The device may also include mechanisms to adjust compression parameters, such as depth and rate, based on patient feedback or predefined protocols. The system may further integrate with monitoring devices to track compression quality and patient response, ensuring real-time adjustments for improved outcomes. This approach enhances CPR efficacy by standardizing compressions, reducing rescuer fatigue, and improving survival rates in cardiac arrest scenarios.

Claim 10

Original Legal Text

10. The system of claim 9, wherein the automated chest compression device comprises a motor configured to drive the belt in response to signals from the one or more processors to cyclically perform the chest compressions.

Plain English Translation

This invention relates to automated chest compression systems used in cardiopulmonary resuscitation (CPR). The system addresses the need for precise, consistent chest compressions during CPR to improve survival rates by reducing human error and fatigue. The automated chest compression device includes a belt that encircles the patient's chest and is driven by a motor. The motor is controlled by one or more processors that generate signals to operate the belt in a cyclical motion, performing chest compressions at a controlled depth and rate. The processors ensure the compressions are synchronized with other resuscitation efforts, such as ventilation, to optimize blood flow and oxygen delivery. The system may also include sensors to monitor compression parameters and adjust the motor's operation in real time. This automation enhances the effectiveness of CPR by maintaining consistent compression quality, reducing the physical burden on rescuers, and improving patient outcomes. The invention is particularly useful in emergency medical settings where rapid, high-quality CPR is critical.

Claim 11

Original Legal Text

11. The system of claim 1, wherein the automated chest compression device comprises a piston configured to press against the patient's sternum to cyclically perform the chest compressions.

Plain English Translation

This invention relates to automated chest compression devices used in cardiopulmonary resuscitation (CPR). The problem addressed is the need for precise, consistent, and effective chest compressions during CPR to improve patient outcomes. Traditional manual CPR can be inconsistent due to human fatigue and variability in technique. The system includes an automated chest compression device with a piston mechanism. The piston is designed to press directly against the patient's sternum in a controlled, cyclical motion to simulate manual chest compressions. This mechanical approach ensures consistent compression depth, rate, and force, which are critical for maintaining adequate blood circulation during cardiac arrest. The piston's design allows for adjustable parameters such as compression depth and speed to accommodate different patient sizes and medical conditions. The system may also include sensors to monitor compression quality and provide feedback to ensure optimal performance. By automating the compression process, the device reduces the physical burden on rescuers and improves the reliability of CPR delivery. This technology is particularly useful in emergency medical settings where immediate and sustained high-quality chest compressions are essential for patient survival.

Claim 12

Original Legal Text

12. The system of claim 11, wherein the automated chest compression device comprises one or more mechanical devices comprising one or more electric motors configured to enable the piston to cyclically perform the chest compressions in response to signals from the one or more processors.

Plain English Translation

This invention relates to automated chest compression systems used in medical emergencies, particularly for performing cardiopulmonary resuscitation (CPR). The system addresses the need for consistent, high-quality chest compressions during cardiac arrest, where manual CPR may be inconsistent or fatiguing for rescuers. The invention includes an automated chest compression device with a piston mechanism driven by one or more electric motors. The motors are controlled by one or more processors to cyclically perform chest compressions at precise rates and depths. The system ensures reliable, uninterrupted compressions, improving patient outcomes by maintaining proper compression parameters without human fatigue. The electric motors provide the necessary force and motion to the piston, which directly applies compressions to the patient's chest. The processors regulate the motor operation based on predefined or adaptive parameters, ensuring optimal compression quality. This automation enhances CPR effectiveness by reducing variability and maintaining consistent performance over extended periods. The system may also integrate with other medical devices or monitoring systems to adjust compression parameters in real-time based on patient feedback.

Claim 13

Original Legal Text

13. The system of claim 1, wherein the one or more processors are configured to control one or more parameters of the chest compressions performed by the automated chest compression device.

Plain English Translation

This invention relates to automated chest compression devices used in medical emergencies, such as cardiac arrest, where manual compressions may be insufficient or unavailable. The system includes one or more processors that control the operation of the automated chest compression device to ensure effective and consistent chest compressions. The processors are configured to adjust one or more parameters of the compressions, such as depth, rate, and force, to optimize resuscitation efforts. The system may also monitor physiological data from the patient, such as blood pressure or oxygen levels, to dynamically adjust compression parameters in real time. Additionally, the processors may integrate feedback from sensors on the device to ensure proper positioning and compression quality. The invention aims to improve survival rates by providing precise, automated chest compressions that adapt to the patient's condition, reducing variability and human error in manual compressions. The system may also include safety features to prevent excessive force or improper technique, ensuring patient safety during resuscitation.

Claim 14

Original Legal Text

14. The system of claim 13, wherein the one or more parameters comprise one or more of a chest compression velocity, a chest release velocity, a chest compression depth, a dwell time in a chest compression, and a pause time between compressions.

Plain English Translation

This invention relates to a medical system for monitoring and improving the quality of chest compressions during cardiopulmonary resuscitation (CPR). The system addresses the problem of inconsistent or ineffective CPR by tracking and analyzing key parameters that influence resuscitation outcomes. The system includes sensors to measure real-time data during chest compressions, such as compression velocity, release velocity, compression depth, dwell time (the duration of compression before release), and pause time between compressions. These parameters are critical for assessing the mechanical effectiveness of CPR, as improper technique can reduce blood flow and survival rates. The system processes this data to provide feedback or adjustments to ensure compressions meet optimal guidelines. By monitoring these specific parameters, the system helps rescuers deliver more precise and effective chest compressions, potentially increasing the chances of successful resuscitation. The invention is particularly useful in emergency medical settings where accurate CPR performance is vital.

Claim 15

Original Legal Text

15. The system of claim 14, wherein the one or more parameters comprise a release of the patient's sternum from a compressed sternal position over a pre-determined time interval.

Plain English Translation

This invention relates to a medical system for managing sternal compression and release in patients, particularly those undergoing cardiac surgery. The system addresses the challenge of controlling sternal compression and subsequent release to optimize healing and reduce complications. The system includes a sternal compression device that applies and maintains pressure on the patient's sternum to stabilize the chest during surgery. The device is equipped with sensors to monitor the sternum's position and pressure, ensuring proper compression. A control unit adjusts the compression force based on real-time data to maintain optimal pressure. The system also includes a release mechanism that gradually decompresses the sternum over a predetermined time interval, allowing for controlled and safe sternal separation. This gradual release helps prevent sudden movements that could cause injury or complications. The system may also include feedback mechanisms to alert medical personnel if the sternum is not releasing as expected, ensuring patient safety. The invention aims to improve postoperative recovery by minimizing sternal instability and associated risks.

Claim 16

Original Legal Text

16. The system of claim 15, wherein the release of the patient's sternum from the compressed sternal position over the pre-determined time interval corresponds to a release velocity characterized by a non-infinite slope on a graph of sternum displacement as a function of time.

Plain English Translation

This invention relates to a medical system for controlled sternum compression and release, particularly for post-surgical recovery. The system addresses the problem of sternum instability or misalignment following cardiac surgery, where traditional methods of sternum closure may not adequately support proper healing or may cause complications due to abrupt release forces. The system includes a sternum compression mechanism that applies and maintains compression on the patient's sternum in a controlled manner. The compression mechanism is designed to hold the sternum in a compressed position for a predetermined time interval, ensuring proper alignment and stability during the initial healing phase. The system also includes a release mechanism that gradually releases the sternum from the compressed position over a specified time interval. The release is characterized by a controlled release velocity, where the sternum displacement as a function of time exhibits a non-infinite slope, meaning the release is not instantaneous but occurs smoothly to avoid sudden mechanical stress on the healing sternum. This gradual release helps minimize trauma to the surrounding tissues and reduces the risk of complications such as sternal dehiscence or misalignment. The system may also include sensors or feedback mechanisms to monitor the compression and release process, ensuring optimal healing conditions.

Claim 17

Original Legal Text

17. The system of claim 15, wherein the pre-determined time interval is in a range from 100 msec-300 msec.

Plain English Translation

This invention relates to a system for monitoring and controlling the operation of a power converter, particularly focusing on detecting and mitigating faults in the converter's output. The system addresses the challenge of ensuring reliable and efficient power conversion by continuously monitoring the output current and voltage to identify abnormal conditions that could lead to system failure or damage. The system includes a controller that compares the monitored output parameters against predefined thresholds to detect faults, such as overcurrent or overvoltage conditions. Upon detecting a fault, the controller initiates corrective actions, such as adjusting the converter's operating parameters or disconnecting the output to prevent further damage. The system also includes a timing mechanism that triggers these fault detection and response actions at predetermined intervals, ensuring timely and consistent monitoring. The predetermined time interval for these checks is set within a range of 100 milliseconds to 300 milliseconds, balancing responsiveness with computational efficiency. This interval allows the system to detect faults quickly enough to prevent damage while avoiding excessive processing overhead. The system may also include additional components, such as sensors for measuring output parameters and communication interfaces for transmitting fault alerts or control signals to other system components. The overall goal is to enhance the reliability and safety of power conversion systems by providing a robust fault detection and mitigation mechanism.

Claim 18

Original Legal Text

18. The system of claim 1, wherein the controller is disposed in a medical device.

Plain English Translation

A medical device system includes a controller that monitors and regulates the operation of the device to ensure safe and effective performance. The controller is integrated within the medical device itself, allowing for direct control and real-time adjustments based on sensor inputs or predefined parameters. This integration ensures that the device operates within specified limits, preventing malfunctions or unsafe conditions. The controller may also include diagnostic capabilities to detect and respond to potential issues, such as power fluctuations, sensor failures, or environmental changes. By embedding the controller within the medical device, the system reduces the need for external monitoring systems, improving reliability and responsiveness. The controller may further communicate with other components of the device, such as actuators, sensors, or user interfaces, to maintain optimal performance. This design is particularly useful in medical applications where precision, safety, and immediate response are critical, such as in infusion pumps, ventilators, or diagnostic equipment. The system ensures that the medical device operates efficiently while minimizing risks to patients.

Claim 19

Original Legal Text

19. The system of claim 18, wherein the one or more processors are configured to monitor at least one condition of the patient while the multiple chest compression cycles are provided to the patient.

Plain English Translation

This invention relates to a medical system for providing chest compressions to a patient, particularly in emergency resuscitation scenarios. The system includes a compression mechanism that delivers multiple chest compression cycles to the patient, with each cycle involving a compression phase followed by a decompression phase. The system is designed to optimize the timing and force of these compressions to improve resuscitation outcomes. A key feature of the system is its ability to monitor at least one condition of the patient during the compression cycles. This monitoring may include tracking physiological parameters such as blood pressure, oxygen saturation, or cardiac activity to assess the effectiveness of the compressions. The system may adjust the compression parameters in real-time based on the monitored data to enhance resuscitation efforts. The compression mechanism is configured to apply a controlled force to the patient's chest, ensuring consistent and effective compressions. The decompression phase allows the chest to return to its natural position, promoting blood flow and reducing the risk of injury. The system may also include feedback mechanisms to ensure proper compression depth and rate, aligning with established medical guidelines. By continuously monitoring the patient's condition and adapting the compression cycles accordingly, the system aims to improve the chances of successful resuscitation while minimizing potential harm. This approach addresses the challenge of maintaining optimal chest compression quality during emergency situations, where manual compressions may be inconsistent or ineffective.

Claim 20

Original Legal Text

20. The system of claim 18, wherein the one or more processors are configured to electronically monitor one or more of an electrocardiogram (ECG) signal and a transthoracic impedance signal from the patient during the chest compressions and the negative pressure ventilation.

Plain English Translation

This invention relates to a medical system for improving cardiopulmonary resuscitation (CPR) by combining chest compressions with negative pressure ventilation. The system addresses the challenge of providing effective ventilation and circulation during CPR, where traditional methods may not adequately restore blood flow and oxygenation. The system includes sensors to monitor a patient's electrocardiogram (ECG) signal and transthoracic impedance during CPR. The ECG signal detects electrical activity in the heart, while the transthoracic impedance signal measures changes in chest impedance, which can indicate lung inflation and blood flow dynamics. By analyzing these signals, the system assesses the effectiveness of chest compressions and ventilation in real time. The system may adjust CPR parameters, such as compression depth or ventilation timing, based on the monitored signals to optimize resuscitation efforts. The integration of ECG and impedance monitoring provides a comprehensive assessment of the patient's physiological response, improving the precision and efficacy of CPR interventions. This approach aims to enhance survival rates by ensuring proper ventilation and circulation during resuscitation.

Claim 21

Original Legal Text

21. The system of claim 20, wherein the medical device comprises a defibrillator.

Plain English Translation

A medical device system is designed to monitor and treat cardiac conditions, particularly arrhythmias, by delivering electrical therapy. The system includes a defibrillator configured to detect abnormal heart rhythms and administer defibrillation shocks to restore normal cardiac function. The defibrillator may be implanted within the body or used externally, depending on the application. It includes sensing electrodes to detect electrical signals from the heart and therapy delivery electrodes to deliver controlled electrical pulses. The system may also incorporate additional components such as a pulse generator, a power source, and a control unit to regulate therapy delivery. The defibrillator is programmed to analyze heart rhythm data in real-time, distinguishing between life-threatening arrhythmias and benign rhythms to avoid unnecessary shocks. The system may further include communication interfaces to transmit data to external monitoring devices or healthcare providers for remote management. The defibrillator's design ensures precise timing and energy delivery to effectively terminate arrhythmias while minimizing patient discomfort. This technology addresses the need for reliable, automated cardiac rhythm management to prevent sudden cardiac death in high-risk patients.

Claim 22

Original Legal Text

22. The system of claim 21, wherein the one or more processors are configured to determine a likelihood of success of a defibrillation shock to the patient based on the one or more of the ECG signal and the transthoracic impedance signal.

Plain English Translation

This invention relates to medical systems for assessing the likelihood of successful defibrillation in patients. The system monitors a patient's electrocardiogram (ECG) signal and transthoracic impedance signal to evaluate the effectiveness of defibrillation shocks. By analyzing these signals, the system predicts whether a defibrillation attempt will be successful before administering the shock, reducing unnecessary interventions and improving patient outcomes. The system includes sensors to capture ECG and impedance data, processing components to analyze the signals, and decision-making logic to determine the probability of success. The transthoracic impedance signal provides insights into the patient's thoracic conditions, such as fluid levels or tissue properties, which influence defibrillation effectiveness. The ECG signal helps assess the patient's cardiac rhythm and electrical activity. The system integrates these inputs to generate a likelihood score, guiding medical professionals in deciding whether to proceed with defibrillation. This approach enhances precision in emergency cardiac care by leveraging real-time physiological data to optimize treatment decisions.

Claim 23

Original Legal Text

23. The system of claim 22, wherein the one or more processors are configured to control one or more of a speaker and a display to present an indication of the likelihood of success of the defibrillation shock.

Plain English Translation

This invention relates to medical systems for assessing and delivering defibrillation shocks to a patient, particularly focusing on predicting the likelihood of success for such interventions. The system includes one or more processors that analyze physiological data, such as heart rhythm patterns, to determine the probability that a defibrillation shock will successfully restore a normal heartbeat. The processors then control output devices, such as speakers or displays, to present this likelihood to medical personnel. This allows clinicians to make more informed decisions about whether to administer a shock, potentially improving patient outcomes by avoiding unnecessary interventions or ensuring timely treatment when needed. The system may integrate with existing defibrillator devices or function as a standalone diagnostic tool, providing real-time feedback to guide clinical decisions. The invention addresses the challenge of optimizing defibrillation success rates by leveraging data-driven predictions, reducing guesswork in emergency cardiac care.

Claim 24

Original Legal Text

24. The system of claim 18, wherein the controller is configured to control the automated chest compression device and the automated mechanical ventilation device via a wired and/or a wireless communications link.

Plain English Translation

This invention relates to medical devices for emergency cardiac care, specifically systems that combine automated chest compression and mechanical ventilation to improve resuscitation outcomes. The problem addressed is the need for coordinated control of these devices to ensure synchronized and effective cardiopulmonary resuscitation (CPR) while minimizing human intervention. The system includes an automated chest compression device that mechanically compresses the chest to simulate manual CPR, and an automated mechanical ventilation device that delivers breaths to the patient. A controller manages both devices, ensuring proper timing and coordination between compressions and ventilations. The controller is configured to communicate with the devices via wired or wireless connections, allowing for flexible integration and remote monitoring. This setup enhances resuscitation efforts by maintaining consistent compression and ventilation rates, reducing errors, and improving patient outcomes during cardiac arrest. The system may also include feedback mechanisms to adjust compression depth, rate, or ventilation parameters based on real-time patient data. The invention aims to provide a reliable, automated solution for high-quality CPR in emergency settings.

Claim 25

Original Legal Text

25. The system of claim 1, wherein the controller is disposed in a tablet-based computing device and is configured to control the automated chest compression device and the automated mechanical ventilation device via a wired and/or a wireless communications link.

Plain English Translation

This invention relates to a medical system for automated cardiopulmonary resuscitation (CPR), addressing the need for coordinated and precise chest compressions and mechanical ventilation during emergency resuscitation. The system includes a controller, an automated chest compression device, and an automated mechanical ventilation device. The controller is integrated into a tablet-based computing device, enabling remote operation of both the chest compression and ventilation devices. The controller communicates with these devices through wired or wireless connections, allowing real-time adjustments to compression depth, rate, and ventilation parameters. The chest compression device applies controlled mechanical compressions to the patient's sternum, while the ventilation device delivers oxygen or air to the patient's lungs. The tablet-based controller provides a user interface for monitoring and adjusting device settings, ensuring synchronized and effective resuscitation efforts. This system improves CPR accuracy and reduces manual intervention, enhancing patient outcomes during cardiac arrest.

Claim 27

Original Legal Text

27. The system of claim 1, wherein the one or more processors of the controller are configured to control the automated mechanical ventilation device to cyclically vary the negative pressure ventilation without providing the positive pressure ventilation either simultaneous with the negative pressure ventilation or between the instances of providing the negative pressure ventilation.

Plain English Translation

This invention relates to automated mechanical ventilation systems designed to provide negative pressure ventilation without the use of positive pressure ventilation. The system addresses the need for improved respiratory support by delivering cyclical negative pressure ventilation in a controlled manner, avoiding the simultaneous or intermittent application of positive pressure. The system includes a controller with one or more processors that regulate the automated mechanical ventilation device to ensure that negative pressure is applied in a repeating cycle, while strictly avoiding any positive pressure ventilation during or between these cycles. This approach aims to enhance respiratory function by focusing solely on negative pressure, which may reduce the risk of complications associated with positive pressure ventilation, such as barotrauma or volutrauma. The controller's precise regulation ensures that the ventilation process remains consistent and effective, adapting to the patient's needs without introducing unwanted positive pressure. The system is particularly useful in medical settings where controlled respiratory support is required, offering a safer and more targeted ventilation strategy.

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Patent Metadata

Filing Date

December 9, 2020

Publication Date

May 7, 2024

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